lib/services/api_client.dart - master - fraq11/ElijahFlutter

lib/services/api_client.dart
84 строки2 KB
octomors
lab 10 flutter done
24 май 2026, 19:59
24 май 2026, 19:592c672b5
import 'dart:convert';

import 'package:dio/dio.dart';

import 'api_exceptions.dart';
import 'auth_state.dart';

class ApiClient {
  ApiClient({
    required String baseUrl,
    Dio? client,
    AuthState? authState,
  })  : _authState = authState,
        _client = client ??
            Dio(
              BaseOptions(
                baseUrl: baseUrl,
                connectTimeout: const Duration(seconds: 12),
                receiveTimeout: const Duration(seconds: 12),
              ),
            ) {
    _client.interceptors.add(
      InterceptorsWrapper(
        onRequest: (options, handler) {
          final token = _authState?.token;
          if (token != null && token.isNotEmpty) {
            options.headers['Authorization'] = 'Bearer $token';
          }
          handler.next(options);
        },
      ),
    );
  }

  final Dio _client;
  final AuthState? _authState;

  Future<Response<dynamic>> get(String path, {Map<String, dynamic>? query}) {
    return _request(() => _client.get(path, queryParameters: query));
  }

  Future<Response<dynamic>> post(
    String path, {
    Object? data,
    Map<String, dynamic>? query,
    Options? options,
  }) {
    return _request(() => _client.post(path, data: data, queryParameters: query, options: options));
  }

  Future<Response<dynamic>> put(String path, {Object? data, Map<String, dynamic>? query}) {
    return _request(() => _client.put(path, data: data, queryParameters: query));
  }

  Future<Response<dynamic>> patch(String path, {Object? data, Map<String, dynamic>? query}) {
    return _request(() => _client.patch(path, data: data, queryParameters: query));
  }

  Future<Response<dynamic>> delete(String path, {Object? data, Map<String, dynamic>? query}) {
    return _request(() => _client.delete(path, data: data, queryParameters: query));
  }

  dynamic normalizeResponse(dynamic data) {
    if (data is String) {
      return jsonDecode(data);
    }
    return data;
  }

  Future<Response<dynamic>> _request(Future<Response<dynamic>> Function() call) async {
    try {
      return await call();
    } on DioException catch (error) {
      final statusCode = error.response?.statusCode;
      throw ApiException(
        'Request failed (${error.type.name})',
        statusCode: statusCode,
        cause: error,
      );
    } catch (error) {
      throw ApiException('Unexpected API error', cause: error);
    }
  }
}